body {margin:25px; font:12px Verdana, Arial, Helvetica}
* {padding:0; margin:0}
.dropdown {float:left; padding-right:25px; font-weight: bold;}
/*.dropdown dt {width:188px; border:2px solid #9ac1c9; padding:8px; font-weight:bold; cursor:pointer; background:url(images/header.gif)} */
.dropdown dt:hover {background:url(images/header_over.gif)} 
.dropdown dd {position:absolute; overflow:hidden; width:164px; display:none; background:#fff; z-index:200; opacity:0} 
.dropdown ul {width:160px; border:2px solid #000; list-style:none; border-top:none}
.dropdown li {display:inline}
.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:5px; color:#000; text-decoration:none; background:#F69D1B; width:150px}
.dropdown a:hover {background:#F69D1B; color:#fff}
.dropdown .underline {border-bottom:1px solid #000}